1. The yellow code refers to the abbreviation of the phenomenon that the health code is yellow in the epidemic prevention work in COVID-19. Generally, it is the following: the body temperature is above 37.3℃ or one of the clinical manifestations such as respiratory symptoms (dry cough, expectoration, stuffy nose, sore throat, shortness of breath and dyspnea), physical discomfort (fatigue, muscle aches, headache and joint pain), digestive tract symptoms (abdominal pain, diarrhea, nausea and vomiting) and conjunctival hemorrhage; People from high-risk areas. /kloc-may have close contact with confirmed patients, suspected patients and asymptomatic infected people within 0/4 days, such as taking the same public transport and living in the same building unit; Other personnel who need to be included in the yellow code management.
2. Health codes are based on actual data, which can be generated by citizens or people who have returned to work through their own online declaration and background audit. As an individual entering and leaving electronic certificate locally, the QR code can be declared once, which is universal in the whole city. The introduction of the health code aims to make the work of returning to work more accurate, scientific and orderly.